NDLI: On polarization estimation using tripole arrays

Content Provider	IEEE Xplore Digital Library
Author	Lundback, J. Nordobo, S.
Copyright Year	2003
Abstract	We consider the issue of uniqueness in the estimation of direction of arrival (DOA) and the state of polarization using tripole antenna arrays. An analytical expression for the electromagnetic far-field of the tripole antenna given a certain antenna length and propagation constant is derived and a signal model for the waves received at the antenna array is developed. We show that there are no more than two linearly independent steering vectors for each DOA and that these steering vectors are linearly independent iff they correspond to distinct states of polarization. Furthermore, in the case of a uniform linear array and a one-dimensional DOA parameter space (two-dimensional wave propagation), we use the Haar condition to show that a steering vector is linearly independent of the signal subspace if there are fewer distinct DOAs then there are tripole antennas.
Sponsorship	Northrop Grumman, Electron. Syst. Ohio State Univ. Mission Res. Corp. Nat. Sci. Found
Starting Page	65
Ending Page	68
File Size	169125
Page Count	4
File Format	PDF
ISBN	0780378466
DOI	10.1109/APS.2003.1217402
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antennas and propagation Receiving antennas Vectors Electromagnetic wave polarization Direction of arrival estimation Antenna arrays Linear antenna arrays State estimation Directive antennas Electromagnetic analysis
Content Type	Text
Resource Type	Article

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